Home / 25,512.72-38,286.50-8,872.59

Finding the Fourth Proportional to 25,512.72, 38,286.50 and 8,872.59

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Solution

The fourth proportional to 25,512.72, 38,286.50 and 8,872.59 is: 13,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,512.72 : 38,286.50 = 8,872.59 : x
  2. Step 2: Convert to fraction form
    25,512.72/38,286.50 = 8,872.59/x
  3. Step 3: Cross multiply
    25,512.72x = 38,286.50 × 8,872.59
  4. Step 4: Simplify right side
    25,512.72x = 339,700,372.67
  5. Step 5: Solve for x
    x = 339,700,372.67/25,512.72
  6. Step 6: Final answer
    x = 13,314.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.